Key points. 1  Humansâand other complex multicellular organismsâhave systems of organs that work together, carrying out processes that keep us alive. 2  The body has levels of organization that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems.
The rose was designated as the official state flower of New York in 1955. The rose is a symbol of love and beauty (as well as war and politics) the world over.
America's National Flower. The rose was designated the official flower and floral emblem of the United States of America in 1986. The rose is a symbol of love and beauty (as well as war and politics) the world over. Each of the 50 states has also adopted an official state flower, including the rose in New York, the Oklahoma rose in Oklahoma, the Cherokee rose in Georgia, and the wild prairie rose in Iowa and North Dakota. The rose has been around for about 35 million years and grows naturally throughout North America.